On June 14, 1994, Hydrometallurgical plant-3 of Northern mining administration of "NMMC" JSC was put into operation. HMP-3 is the first largest enterprise in the mining and metallurgical industry, built and put into operation in the first years of independence of the Republic of Uzbekistan. In 2019, a new filtration, drying and roasting complex was put into operation, designed to process the tailings of the plant. The plant processes gold ore mined at the Kokpatas and Daugyztau mines.